* install/enable luma.oled [https://luma-oled.readthedocs.io/en/latest/install.html link] + examples [https://github.com/rm-hull/luma.examples link], make sure examples run
* find font files 'concertone-regular.ttf' and 'fontawesome-webfont.ttf'
* this may be needed for node-red -> https://nodered.org/docs/hardware/raspberrypi
* install python oled server, use example scripts for verification
* update node-red from current version on RPi https://nodered.org/docs/hardware/raspberrypi
** check this too -> https://timchooblog.wordpress.com/2016/06/14/configuring-the-johnny-five-robotics-library-to-work-in-node-red/
* add "require:require" to the ''settings.js'' in the .node-red directory
* cd '.node-red'